
Aster Mail
9.2#1 in email providersFrom $2.42 a monthFree planAndroidiOSWebLinux
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| Fact | Aster Mail | Soverin |
|---|---|---|
| Custom domain | Yes | Yes |
| End-to-end encryption | Yes | Yes |
| Founded | 2026 | 2014 |
| Free plan | Yes | No |
| Headquarters | Orlando, Florida, United States | Amsterdam, Netherlands |
| Mailbox storage | 50 | 25 |
| Mail protocol support | bridge | imap_smtp |
Aster Mail may suit people seeking an open-source email service with encrypted mail between Aster accounts and desktop mail app access. It also has import options for users moving from named providers or other IMAP services.
Soverin may suit individuals and organizations that want email hosting with a custom domain, aliases, and calendar and contact synchronization. Its business features also serve small and medium businesses, resellers, and service providers.